Weather in Oslo in June 2025
Average weather
Average temperature in Oslo in June
Going from a maximum of +31°C during the day to a minimum of +5°C during the night, the temperature in June averages around +25°C.
The average maximum temperature goes up 19% by the end of the month, compared with the beginning of the month, from +18°C to +23°C.
Is Oslo warm or cold in June?
Oslo is typically mild in June.
Maximum temperatures go up compared to the previous month from +16°C to +20°C. The minimum temperature also goes up from +7°C to +11°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
June is one of the warmest months in Oslo, here is the comparison with other months:
Water temperature in Oslo in June
Water in Oslo in June is Cold. It varies from +12°C to +18°C, with an average of +15°C. The air temperature averaging +20°C is higher than the water temperature.
In June, water temperatures are average relative to the rest of the year:
Can you swim in Oslo in June?
Climate in Oslo in June
| May | June | July | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +16°C | +20°C | +22°C | ||||
| Min. temperature | ||||||
| -2°C | +3°C | +7°C | ||||
| Max. temperature | ||||||
| +30°C | +33°C | +34°C | ||||
| Rainfall | ||||||
| 81 mm | 89 mm | 100 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +11°C | +15°C | +17°C | ||||
| Humidity | ||||||
| 64% | 65% | 68% | ||||
| Air pressure | ||||||
| 1013 HPa | 1010 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 5 | 3 | 3 | ||||
| Cloudy days | ||||||
| 11 | 11 | 11 | ||||
| Rainy days | ||||||
| 15 | 16 | 17 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
June weather is still as good as in May. It’s getting warmer as June arrives. The average maximum temperature goes up from +16°C to +20°C during the day. Prepare for more rain. Average rainfall goes from 81 mm to 89 mm. Humidity rises from 64% to 65%. The average wind speed doesn’t change much during June, staying around 2 m/s. The days becoming less sunny, going from 5 sunny days in May to 3 in June.
July brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Oslo is gradually decreasing during June, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last June in Oslo?
Climate Change over Years
The climate in Oslo in June has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+8°C) and the highest in 2020 (+12°C). The driest year was 1981 with only 527 mm of rainfall, and the wettest year was 2020 with 2467 mm.
FAQ
Is June a good time to visit Oslo?
Can you sunbathe in Oslo in June?
Can you swim in Oslo in June?
Is Oslo rainy in June?
Is it sunny in Oslo in June?
Other cities in Norway
Monthly weather in Oslo
Source of the data
For this page, we’ve looked at the typical weather in Oslo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.